package com.itheima;

/**
 * @Author: 斌
 * @DateTime: 2023年02月15日  10:34:11
 * @Description: com.itheima
 * @Version: 1.0
 */
import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;

import java.io.File;


import com.aliyun.oss.model.GetObjectRequest;


public class Demo {
    public static void main(String[] args) throws Throwable {
        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String endpoint = "https://oss-cn-nanjing.aliyuncs.com";
        // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
        String accessKeyId = "LTAI5tMpZyidp2CTLNQPWXsF";
        String accessKeySecret = "9q6U0KDWCfXFmey5PunHF7i6GCHaFJ";
        // 填写Bucket名称，例如examplebucket。
        String bucketName = "examplebucket";
        // 填写Object完整路径。Object完整路径中不能包含Bucket名称。
        String objectName = "exampleobject.jpg";
        // 填写本地文件的完整路径，例如D:\\localpath\\example-resize.jpg。如果指定的本地文件存在会覆盖，不存在则新建。
        String localPath = "D:\\localpath\\example-resize.jpg";

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {
            // 将图片缩放为固定宽高100 px。
            String style = "image/resize,m_fixed,w_100,h_100";
            GetObjectRequest request = new GetObjectRequest(bucketName, objectName);
            request.setProcess(style);
            // 将处理后的图片命名为example-resize.jpg并保存到本地。
            // 如果未指定本地路径只填写了本地文件名称（例如example-resize.jpg），则文件默认保存到示例程序所属项目对应本地路径中。
            ossClient.getObject(request, new File(localPath));
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}
